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Income (Loss) From Equity Investments

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Payments From Tax Sharing Arrangements

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Percentage of voting equity interests acquired in a business combination achieved in stages, including equity interests in the acquiree held by the acquirer immediately before the acquisition date and acquired at the acquisition date.

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Amount of paid and unpaid cash, stock, and paid-in-kind (PIK) dividends declared, for example, but not limited to, common and preferred stock.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Amount before tax of foreign currency transaction realized and unrealized gain recognized in the income statement.

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Amount before tax of foreign currency transaction realized and unrealized loss recognized in the income statement.

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The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.

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Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

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Amount of income (loss) for proportionate share of equity method investee's income (loss).

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Amount of interest capitalized during the period.

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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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The amount of capital contributed by other unit holders.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Percentage of subsidiary's or equity method investee's stock owned by parent immediately after all stock transactions.

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INVESTMENTS IN UNCONSOLIDATED ENTITIES - NARRATIVE (Details) - USD ($) $ in Millions	1 Months Ended		3 Months Ended
	Mar. 31, 2020	Feb. 29, 2020	Mar. 31, 2020	Mar. 31, 2019
Schedule of Equity Method Investments [Line Items]
Equity earnings			$ 263	$ 101
Equity earnings (losses), before income tax:			(43)	5
Cameron LNG [Member]
Schedule of Equity Method Investments [Line Items]
Maximum exposure under guarantor obligations	$ 4,000		4,000
Guarantor Obligations, Current Carrying Value	2		2
R B S Sempra Commodities [Member]
Schedule of Equity Method Investments [Line Items]
Equity earnings	(100)
Sempra Texas Utilities [Member] \| Oncor Holdings [Member]
Schedule of Equity Method Investments [Line Items]
Contribution	$ 70		$ 70	56
Sempra Mexico [Member] \| IMG [Member]
Schedule of Equity Method Investments [Line Items]
Interest percentage	40.00%		40.00%
Transportation Service Contract, Term			35 years
Foreign currency translation gains			$ 149
Foreign currency translation losses				10
Corporate Joint Venture [Member] \| Sempra LNG [Member] \| Cameron LNG [Member]
Schedule of Equity Method Investments [Line Items]
Investments made during period				25
Capitalized interest				13
Sempra Energy [Member] \| Oncor Holdings [Member] \| Sempra Texas Utilities [Member]
Schedule of Equity Method Investments [Line Items]
Dividends			$ 73	54
Tax sharing payments				$ 3
TTHC [Member] \| Sempra Texas Intermediate Holding Company LLC [Member]
Schedule of Equity Method Investments [Line Items]
Additional ownership percentage		1.00%
Oncor Holdings [Member] \| Sempra Texas Holdings Corp [Member] \| Sempra Texas Intermediate Holding Company LLC [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage in consolidated entity			100.00%
Oncor Electric Delivery Company LLC. [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage in consolidated entity		19.75%
Noncontrolling Interest, Additional Indirect Ownership Interest, Percent		0.1975%
Percent ownership held by noncontrolling interests	80.45%	80.45%	80.45%
Oncor Electric Delivery Company LLC. [Member] \| Oncor Holdings [Member] \| Sempra Texas Utilities [Member]
Schedule of Equity Method Investments [Line Items]
Acquired percentage interest	80.25%		80.25%
Oncor Electric Delivery Company LLC. [Member] \| Oncor Electric Delivery Company LLC Additional Acquisition [Member] \| Sempra Texas Intermediate Holding Company LLC [Member]
Schedule of Equity Method Investments [Line Items]
Payments to Acquire Businesses, Gross		$ 23
Investment in TTHC		$ 16
TTI [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage in consolidated entity		100.00%
Other Current Liabilities [Member] \| R B S Sempra Commodities [Member]
Schedule of Equity Method Investments [Line Items]
Equity earnings	$ 25
Deferred Credits and Other [Member] \| R B S Sempra Commodities [Member]
Schedule of Equity Method Investments [Line Items]
Equity earnings	$ 75